OpenTechnical

OT-2026-000093244

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000093244) never changes.

Identity and time

Publication numberOT-2026-000093244 · never reused
Internal UUID01a0ae9e-0911-7f7f-9633-2436a1f7cf0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093244
StatusPUBLIC

Content hashes

Canonical text4648eef2c8bd7e0ccda63a1e1a3da86519527dcb846373555c5e5036a9a64e1e
Markdown93f43b72c72d5fa332d8e42e85b3f3e5d5fd65cf8b49a1fc19e65ca89baec5ce
PDF
Publication pagedc5370bb5d95c65f3ad121006d21e464feb6fea3656765aaffebe28f9b106c1b
Manifest71bb679eba30be81e88f71cd36629db9b4548b5aed990b3eb144b33043f52053

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureNYOd15DO5dVopQHtpDHo6UJtwUCjL2uQi+wQBqVKdZg5cU9WaUAv+eCO+26NE4YcdgUeXXZ9qePpuRidwepzAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:35.767121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093244
observed dc5370bb5d95c65f3ad121006d21e464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.748028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093244/manifest.json
observed 71bb679eba30be81e88f71cd36629db9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.728193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093244/publication.md
observed 93f43b72c72d5fa332d8e42e85b3f3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.708453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093244/publication.txt
observed 4648eef2c8bd7e0ccda63a1e1a3da865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.